HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
LiveChat is an online customer service software with online chat, help desk software, and web analytics capabilities.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.
Varnish is a reverse caching proxy.